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1224

Index.

PAGE

Gear for oscillating engine, valve . 644

------, Fowler's coiling .       .   523, 527

------, Hackworth's,      Marshall's,

and Walschaert's valve   .        . 643
------ for   hydraulic  crane, multi-
plying      .....742

------, Joy's valve .... 642

------, pit head     ....  542

——, Proell valve         .        .        .658
——, reversing by radial valve      . 642

------, trip valve    .       .       .  657, 658

Geared capstan    .        .        .        .523
, Gearing, belt        .        .        .   526, 579

•   534, 579

•   57i, 580
544, 579, ii11

.   520,578

•   5°9,

friction

pitch chain

screw

spur

stepped  .

tooth, safe velocity of

train of  .

wire rope        .        .   539.

worm      .

578
5j8

481

579
520
638

Gears, reversing ....
Geometry of dome plate and conical

flue......340

- required by boiler maker   . 339

Girard turbine,  construction  and

regulation of

efficiency of.
-, path of water in

Girder.

------, stresses in a lattice

------, momental strength of plate

------, riveting a   .

------, stays for boiler   .        .   335

------, stresses in a Warren   .

Girders, continuous      .

Gisholt tooj         .

Gobron Brilli£ engine .

Gooch's link motion    .       .        . 640

Gordon's constants and formula for

long columns . , . . 458
Governor-ball turning . . . 753
Governor for cars . , 1187

-----------for Priestman oil engine   708

-for Simplex gas engine,

724
726
726

427
468
435

35S
348

466
850
976
1196

pendulura.

----------for water wheel sluice

--------—, Head or Farcot   .

: of   .

—„,-----9 hydraulic

- - — , Dunlop's marine

. - /marine      • .   •

701
. 720
. 650

: |

'655
1144

Governor, machining  the various

parts of a Porter      .                . 249

parabolic    .       .  650, 773

shaft    .       .       . 655, 1145

simple or Watt
weighted or Porter
Whitehead  .

647

1142
716
8.SI

Gradient, hydraulic

Graphical calculus

Graphic solution of centre of gravity 432

---------   --------of moment of in-
ertia and resistance  .        .        . 430

Grasshopper beam engine    .        . 499

Gravity, methods of finding centre
of.....432, 845

Greenhill's formula for combined
torsion and compression . . 463

Green sand, composition and pro-
perties of.....4

------ sand moulding    ...      5

Grel valve for pulsometer     .        -735
Grey cast iron                                  I

Gridiron valve     .... 654
Griffin gas engine         .       .       .912
Grinder, emery    .        .        .        .  195

--------, twist drill        .        .        .197

Grinding lathe centres .        .        . 807

machine for milling cut-

• 197
1030

• 195
. 900

• 175
. 238

724, 726
. 84

• 747
. 841

• 759

• 330

ters

• machines
Grindstone .
Grooving in boilers

-----------mill      .

Gudgeon, machining a.
Guide blades of turbines
Gun metal, composition of

------------founding

Guns, built-up

------, wire   .

Gusset^stays

HACK saw    .       .       .
Hackworth's valve gear
Hammer, drop    .       .       .

-, lead

-, power

-, pneumatic

-, steam

_ ------ force of blow of

.209
. 643

1016

. 209

1015

949

97, 12

Hand and machine riveting, com-

parison of . . . . 321
— — hammer i, . . . 187
- riveting and camidmg . . 28^